Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Basic Instrument Flight — Theory

CASA Recreational Pilot License (Aeroplane) — CASA Sample Syllabus Lesson 26, Theory

All text and presenter notes in this briefing are licensed under Creative Commons BY-SA 4.0. More info

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Do you remember being dizzy as a kid?

Even if it's been years since you've spun yourself on the spot and tried to walk in a straight line, most of us remember the experience:

  • What is causing the disorientation when we're dizzy like this?

Or if you're a diver, you may have experienced not knowing which way is up or down?

Hopefully you will never have effects this strong in an aeroplane, but the disorientation can be debilitating nonetheless. Let's be prepared for the possibilities!

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

What if you couldn't see the horizon?

One of the more dangerous possibilities in a visual flight is that you fly into clouds and, as a result, lose your horizontal reference - the horizon.

Our inner ear's balance sense can be tricked very convincingly once our eyes lose a fixed reference point:

  • We can feel that we're going up when really we're accelerating (dangerous if you "correct" and are low to the ground),
  • We can feel that we're flying wings-level when we're actually banking.

How we avoid being tricked is what this lesson is about.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

So how do we fly without it?

We already have instruments that show an artificial horizon, airspeed, height and heading. Today we'll be learning:

  • How to read them as a system, not one at a time — and which one is primary
  • What powers each instrument, and what it looks like when that power fails
  • Why your senses can lie to you once the horizon is gone
  • What to do if you ever find yourself in cloud unexpectedly
  • How to recognise and recover from an unusual attitude

Trust the instruments over your senses.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Theory Lesson Overview

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Learning Objectives

By the end of this session, our aim is to be able to:

  • Describe the control-and-performance method of reading the panel, and explain why the Attitude Indicator is confirmed by a continuous scan rather than trusted alone
  • Identify which power source drives each instrument, and describe what a suction failure looks like and how the scan changes
  • Describe at least three sensory illusions that can mislead a pilot without outside visual reference
  • Explain the dangers of inadvertent flight into cloud, and outline the actions to take if it happens
  • Describe the instrument indications and recovery for a nose-high and a nose-low unusual attitude
  • First experience of flying by sole reference to instruments, including simulated unusual attitude recovery
Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Waypoint 1 — Flying by the Instruments

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

First — your workbook

  • What powers the Attitude Indicator and Direction Indicator? What's electric instead? Why?
  • In Australia, what's ONUS? What's SAND?
  • Any questions before we build on this?
Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Two ways to read the panel: control and performance

  • Control instruments — tell you what you've set: the Attitude Indicator (pitch and bank) and the power indicators (tachometer / manifold pressure)
  • Performance instruments — tell you the result: airspeed, altitude, rate of climb or descent, heading, balance

Set the control instruments to a known attitude and power combination, then confirm the result on the performance instruments.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

right large A photograph of a light aircraft's "six pack" instrument panel. Top row, left to right: Airspeed Indicator, Attitude Indicator, Altimeter. Bottom row, left to right: Turn Coordinator, Direction Indicator, Vertical Speed Indicator.

The six-pack group

  • Control — the Attitude Indicator (top centre), plus the power gauge (tachometer / manifold pressure) elsewhere on the panel, not pictured here
  • Performance — the other five: Airspeed Indicator, Altimeter, Vertical Speed Indicator, Direction Indicator, Turn Coordinator

"Six Pack flight instruments" by Mawilson, licensed CC BY-SA 3.0

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

The Attitude Indicator is your primary instrument

  • It is the only instrument that shows pitch and bank directly, and it responds immediately — it answers "what is the aeroplane doing right now?"
  • Every other instrument answers a slightly different question, a moment later: what resulted from that attitude
  • So: set the attitude on the AI, hold it, and fly the aeroplane from it

But we never trust it alone. A gyro instrument can fail slowly and quietly, and still look entirely plausible — which is the next waypoint.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

The T-scan — how we confirm what the AI tells us

Across the top: ASI · AI · Altimeter. Down the stem: the DI. Eyes return to the AI between every glance — and you say the cross-check out loud:

The AI says… So check… Does it agree?
Banking left Turn Coordinator left, DI decreasing If nothing else moves, suspect the AI
Wings level Turn Coordinator centred, DI steady If the DI creeps, you are turning
Nose on the horizon Altimeter steady, VSI on zero The altimeter is the honest answer
  • Keep your eyes moving — fixating on one instrument is a fixation away from all the others
  • Make a small correction, then wait for it to settle — chasing a lagging instrument (your workbook) only worsens the oscillation
Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

How accurate is accurate enough?

Today is a first exposure, not a test — but it helps to know what "good" looks like. From the Part 61 MOS, Schedule 8, Table 1 (the private-level tolerances, which apply to the RPL):

Flight path or manoeuvre Tolerance
Turn onto a nominated heading ±10°
Angle of bank in a turn ±5°
Straight and level — altitude / IAS ±150 ft / ±10 kt
Level off from a climb or descent ±150 ft

The one instrument manoeuvre CASA assesses at RPL level is a rate 1 turn onto a nominated heading [IFF.2(c)]. So every turn today has a heading attached to it — never just "turn left".

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Waypoint 2 — Power Sources and Failures

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

What actually drives each instrument?

Three independent systems, deliberately — and that tells you what fails together:

Power source Instruments What a failure costs you
Engine suction (vacuum) Attitude Indicator, Direction Indicator Both gyros wind down — together
Electrical Turn Coordinator Bank reference — check ammeter and breakers
Pitot-static ASI, Altimeter, VSI Blockage or icing, not power loss
None — magnetic Magnetic compass Nothing — always there, slow but honest

The Turn Coordinator is electric on purpose: so that when suction fails, you still have a bank reference that the failure cannot touch.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

What a suction failure actually looks like

It is insidious — the gyros wind down over minutes:

  • The AI's horizon droops or rolls slowly, looking plausible the whole way down
  • The DI drifts, faster and faster, and stops agreeing with the compass
  • Most training aircraft have no warning flag — your clues are the suction gauge and instruments that disagree with each other
For… Instead of… Fall back on…
Bank the AI the Turn Coordinator (electric)
Pitch the AI the ASI, Altimeter and VSI
Heading the DI the magnetic compass — with ONUS/SAND

This is why we cross-check: if the AI disagrees with the Turn Coordinator, the DI and the altimeter — believe the three, not the one.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

So this is why we check it on the ground

Every ground check exists because of a failure:

  • Suction gauge in the green → the pump really is driving the gyros
  • AI erect and steady, no more than about 5° deflection in a taxi turn → the AI has not toppled, and is not about to
  • DI set against the compass → the DI is tracking, and you now have a datum to notice drift against later in the flight
  • Circuit breakers in, ammeter charging → the electric instruments have a supply

A gyro failing on the ground is a nuisance. The same gyro failing in cloud is an emergency. The check takes thirty seconds — do it deliberately, every time.

Later today, at a safe height, I will cover the AI and DI and you will fly on what is left.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Waypoint 3 — Trust Your Instruments

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Why your senses can lie to you

Hopefully you've already watched the excellent Spatial Disorientation video from Gold Seal Flight Training as part of your workbook exercise. To summarise:

  • Your inner ear (the vestibular system) senses rotation and acceleration — not attitude — and it's easily fooled once you can't see the horizon
  • A slow, sustained turn can stop feeling like a turn at all
  • Rapid acceleration can feel like a climb; deceleration can feel like a descent

If your senses and your instruments disagree, believe the instruments.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Three illusions worth knowing

Illusion Feels like What's actually happening
The leans Banked when you're level (or level when you're banked) A slow or prolonged turn stops registering in the inner ear; levelling out feels like banking the other way
Graveyard spiral A gentle, level turn — no sensation of banking A prolonged turn desensitises the inner ear while the aircraft is actually descending steeply and tightening
Somatogravic illusion A strong pitch-up (climbing) sensation Rapid acceleration (full power, or a go-around) is felt as a climb, tempting a dangerous nose-down correction

For another deeper dive on the Leans illusion, see the Flight Club video The LEANS ILLUSION. How pilots get disoriented..

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

See it for yourself

There are many investigation reports about Somatogravic illusion, including a tragic accident a few years ago of an Australian pilot in the US who took off after dark without much instrument experience (NTSB report for December 2022 accident in Venice, Florida)

The Pilot's Handbook of Aeronautical Knowledge, chapter 17 has a thorough list of these and more illusions if you'd like to read more.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

The only reliable fix

  • Trust the instruments over your senses, every time you're without outside visual reference
  • Illusions are strongest when your head moves while turning (looking down at a chart, reaching for something) — keep head movements smooth and minimal under the hood
  • If a sensation and an instrument disagree, believe the instrument — and say it out loud; naming it helps break the illusion's grip

Believing your senses over the instruments is how a perfectly serviceable aeroplane flies into the ground. It has happened, repeatedly, to experienced pilots.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Waypoint 4 — Avoiding and Escaping IMC

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

The danger of VFR flight into cloud

  • As a VFR pilot, you are not trained or endorsed to fly solely on instruments in real cloud
  • Without outside reference, the illusions we just covered can develop within seconds
  • VFR-into-IMC is one of the most consistently fatal categories of general aviation accident — about 1 in every 9 reported occurrences in Australia (2015–2025) resulted in a fatality

The safest response to deteriorating weather is the one made before you're in it: turn back, or land, while you still have the choice.

The ATSB's Avoidable Accidents number 4 specifically looks at Accidents involving pilots in IMC,
which identifies in the introduction that:

the chances of a VFR into IMC encounter increased as the flight progressed, with
the maximum chance occurring during the final 20 per cent of the flight distance.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Avoiding it in the first place

  • Check the actual and forecast weather thoroughly before you fly — not just at departure, but along the route and at any alternate
  • Set personal minimums (cloud base, visibility) in advance, and stick to them under pressure
  • Identify escape routes and alternates during planning, not in the moment
  • Recognise external pressure to press on ("get-there-itis") as a threat in itself

Always fly with a Plan B — decided on the ground, named out loud, and with a trigger attached to it: "If I cannot stay 1,000 ft clear of cloud by [landmark], I turn back to [aerodrome]." A Plan B you have not named is not a plan; it is a hope.

A non-fatal but telling case: a pilot flying Bankstown to Orange in January 2025 entered cloud shortly after take-off — ATSB found insufficient pre-flight weather consideration and self-imposed pressure to proceed both contributed. ATSB AO-2025-003

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

If you find yourself in cloud anyway

The standard actions, in order:

  1. Maintain control — wings level, on the instruments, immediately
  2. Turn back — a gentle rate-one turn onto a reciprocal heading, back the way you came, toward known VMC
  3. Tell someone — a radio call, and the transponder code briefed for the situation
  4. Descend only if safe — only if you know the terrain and it will genuinely help; otherwise hold height and turn first

The turn back is the single most important action. Most inadvertent-IMC accidents happen because the pilot pressed on instead of turning around immediately.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Waypoint 5 — Unusual Attitudes

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Recognising an unusual attitude

Two broad types, told apart mainly by the airspeed:

Nose-high Nose-low
Airspeed Low and decreasing High and increasing
Altimeter Increasing Decreasing
VSI Climbing Descending
Danger Approaching the stall Overspeed / spiral dive

Airspeed is your fastest clue: decreasing means nose-high, increasing means nose-low.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Recovery, in order

Nose-high (low or decreasing airspeed):

  1. Power — apply full power
  2. Roll the wings level
  3. Ease forward to lower the nose to the level-flight attitude
  4. Once settled, adjust power and re-trim

Nose-low (high or increasing airspeed):

  1. Power — close the throttle
  2. Roll the wings level
  3. Ease back smoothly to raise the nose to the horizon — no snatch
  4. Once settled, resume cruise power and re-trim

Power, then wings level, then pitch — in that order, for either case. Rolling level before you pitch is what stops a nose-low recovery turning into a spiral dive (Lesson 18).

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Flying it on the full panel

  • Today we fly with the full instrument panel available — every instrument working, cross-referenced continuously
  • The Attitude Indicator gives the fastest, most direct picture of the unusual attitude — but always confirm with the ASI, altimeter and VSI, since the AI can topple past its limits (typically 60° pitch / 90° roll on this class of aircraft)
  • A toppled AI looks like an attitude, not like a failure — the same cross-check habit from Waypoint 2 is what catches it
  • Ignore the sensations — they will likely disagree with what the instruments show. Believe the instruments.
Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Further reading

The Pilot Institute has a good article on How to Recover from Unusual Attitudes which goes over much of recognising and recovering from unusual attitudes.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Waypoint 6 — Recap

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

What do you remember?

  • Name the two groups instruments are sorted into for the control-and-performance method, and give an example of each
  • Name your primary instrument, and describe how you would confirm what it is telling you
  • Name the two instruments you lose if the suction pump fails, and state what you would use instead
  • Describe two sensory illusions that can mislead a pilot in cloud
  • List the actions to take if you find yourself in cloud unexpectedly, in order
  • State the recovery sequence for a nose-low unusual attitude, in order
Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Summary

Topic Key point
Reading the panel The AI is primary — pitch and bank, immediately. Confirm it on the T-scan; control instruments show what you set, performance instruments the result
Power & failures Suction drives the AI and DI, so they fail together — slowly and plausibly. Fall back on the Turn Coordinator, the ASI/altimeter/VSI, and the compass
Illusions The leans, graveyard spiral, somatogravic — all from the inner ear once vision is gone. Trust the instruments
Avoiding & escaping IMC Plan, set minimums, name a Plan B with a trigger; if it happens anyway: control, turn back, tell someone
Unusual attitudes Airspeed tells you which type; recover power, then wings level, then pitch
Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

178 seconds

That's the average time a VFR pilot who flew into cloud stayed in control.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Read the panel. Call the recovery.

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Objectives Check

Can you:

  • Describe the control-and-performance method, and explain why we confirm the AI rather than trust it alone?
  • Identify which power source drives each instrument, and describe what a suction failure looks like?
  • Describe at least three sensory illusions that can mislead a pilot?
  • Explain the dangers of inadvertent IMC entry, and outline the actions to take?
  • Describe the instrument indications and recovery for a nose-high and a nose-low unusual attitude?
  • Feel ready to experience all of this in the air today?
Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Arrival

Basic Instrument Flight — Theory: Reading the Panel, Illusions, IMC and Unusual Attitudes

Questions?

Any questions before the pre-flight brief?

This lesson pairs with a pre-lesson workbook the student completes beforehand (self-study videos/articles + fill-in questions) covering instrument power sources, instrument checks and serviceability, instrument lag, and compass turning/acceleration errors. Confirm it's done at the start — this deck builds on it rather than re-teaching it from scratch. This live session covers the topics that need real discussion and judgement: reading the panel as a system (control and performance instruments, the AI as the primary instrument, the T-scan that confirms it), what drives each instrument and what a suction failure looks like, the sensory illusions that can mislead a pilot without outside visual reference, avoiding and escaping inadvertent IMC, and recognising and recovering from an unusual attitude. This lesson also revises and assesses a long list of foundational skills (communication, pre-flight actions, start/stop, taxiing, pre-take-off, radio and transponder operation, post-flight) — those are folded into the pre-flight and in-flight notes rather than theory, since they are consolidation of existing skills, not new content.

Let the student answer from their own experience before moving on — most people have a disorientation story of some kind. - Spinning like this is forcing a vestibular illusion - a very stong one!

An aeroplane in cloud, fog, or over featureless terrain at night removes exactly that visual reference. Lead in: so how does a pilot fly accurately without it?

About 40 minutes, inside the 0.8 hr (48 min) theory window — the pre-lesson workbook has already carried some of the load, so this is fuller than it looks. If you are running short, the compressible parts are the tolerances slide (it can be a single spoken sentence) and the illusions detail (the workbook video already covered it). Do not compress the power-sources-and-failures waypoint or the unusual-attitude panel.

These map to CASA lesson-26 elements IFF.1 (determine/monitor instrument serviceability), IFF.2 (perform manoeuvres using full instrument panel), IFF.3 (recover from upset situations/unusual attitudes) — all at performance standard 3 (introductory) this lesson, underpinning knowledge IFF 4(a-c). This is first exposure, not an assessed competency yet. Note that IFF 4(c) is explicitly "instrument failure and warning systems fitted to the aeroplane", and IFF.1(c) is "monitor flight instrument and instrument power sources and react to any warnings, unserviceability or erroneous indications" — the power-sources and failures waypoint below is that underpinning knowledge, not an optional extra.

Click Direct-To to arrive at Flying by the Instruments.

This is the revision element for the lesson — it revises the pre-lesson workbook rather than a previous lesson. Confirm it was actually completed and clear up anything that didn't land before moving on. If it wasn't done, take a few extra minutes here to cover the workbook content verbally rather than skip it.

CASA underpinning knowledge IFF 4(b): attitude and power requirements to achieve specified flight profiles. This is the standard "control and performance" concept of attitude instrument flying — set, hold, confirm.

On your training aircraft's actual panel, point to the power gauge itself so the student sees where the other control instrument sits relative to this six-pack photo.

Debrief point: say "the Attitude Indicator is the primary instrument" explicitly and repeatedly — in the brief, on the panel before take-off, and in the air. It was implicit in the previous version of this brief; make it explicit here.

CASA underpinning knowledge IFF 4(a): scan technique appropriate to the fitted instruments and phase of flight. Demo script: on the ground, in the aircraft, point to each instrument in the actual panel in T-scan order and have the student point and name the sequence back to you before flying. Point at the real instruments, not the photo — that was a specific debrief action: name and point at each instrument at the panel, not just on the whiteboard.

From the debrief: bring the tolerances in if the student is comfortable — pitch them as "what good looks like", not as a test, and skip the table entirely if the student is already loaded up. Worth knowing yourself: IFF.2(b) — the straight and level, climb and descent criteria — is prefaced "except for RPL", so at RPL those are practised but not assessed against tolerances. IFF.2(c), the rate 1 turn onto a nominated heading, is *not* excepted. That is exactly why the heading discipline below matters. The same table has a "limited panel instrument flying" row (heading ±15°, IAS ±10 kt, height ±200 ft) — that belongs to the Night VFR rating, not the RPL. Don't quote it to the student as though it applies today.

Click Direct-To to arrive at Power Sources and Failures.

Ask the student to answer this from the workbook first (questions 3, 4 and 5) and from the POH page they found in question 6 — this is confirmation, not new teaching. Check your own aircraft before the lesson and correct the table out loud if it differs: some types have an electric AI and a vacuum Turn Coordinator, some have a low-vacuum warning light, and many older training aircraft have only a suction gauge.

CASA underpinning knowledge IFF 4(c): instrument failure and warning systems fitted to the aeroplane. This was the biggest gap identified in the debrief — the failure case was in the workbook but never surfaced in the live brief. Teach it here, then fly the short covered-panel demonstration in the air so the words have something attached to them.

A debrief point, worth saying in close to these words: *this is why we test everything on the ground — so we know the vacuum has suction and the AI has not toppled.* Say it as the reason for the check, immediately after teaching the failure, so the check stops being a ritual. This is failure **recognition and awareness**, which IFF requires. It is not limited-panel flying as an assessed competency — that belongs to the Night VFR rating. Keep the airborne demonstration short and instructor-led.

Click Direct-To to arrive at Trust Your Instruments.

PHAK Ch 17 (Aeromedical Factors) covers the full "ICEFLAGS" set of illusions — these three are the ones most relevant to a training-aircraft RPL flight. Point keen students at the full list in the further reading below.

HF/NTS: undesired aeroplane state — prevention, identifying [NTS2 4(e)]. Keep this factual, not alarming — the point is a practical habit (trust the instruments), not fear.

Click Direct-To to arrive at Avoiding and Escaping IMC.

Statistic and case reference: ATSB "VFR into IMC" topic page (https://www.atsb.gov.au/taxonomy/term/385). For a fatal case study (handle sensitively — this one is recent and fatal): ATSB investigation AO-2025-056, VFR into IMC and controlled flight into terrain involving Cirrus SR20 VH-TEL, 12 km east of Braidwood/Percheron aircraft landing area NSW, 18 September 2025 (https://www.atsb.gov.au/investigations/ao-2025-056) — the pilot had flown from Bankstown via the Snowy Mountains to overhead Mallacoota before turning back toward Bankstown, encountering low cloud on return. Present the facts plainly, without dramatising — the safety point is the decision points, not the outcome.

CASA HF/NTS: threat and error management [NTS2 4(b)], situational awareness [NTS2 4(c)]. Ties to the PAVE / I'M SAFE checks the student already runs each flight — weather planning and external pressure are exactly what those checks are for. The "Plan B" framing comes from the school's single-pilot resource management tools, and is written generically here because the exact wording of that model was not to hand — confirm it and match the school's phrasing, so the student hears the same language from every instructor. The mechanism that matters either way is the **trigger**: a decision made in advance about what you will see that means it is time to turn around.

This is the CASA long-briefing item "actions upon inadvertent entry into IMC". It connects directly to today's assessed items C3.1/C3.3 (radio and transponder operation) and to the rate-one turn technique practised in the air exercise (IFF.2c).

Click Direct-To to arrive at Unusual Attitudes.

This connects to Lesson 18's spiral dive comparison table — same discriminator (the ASI), same underlying idea. Repeat that link out loud if the student flew Lesson 18.

FIM Ch 17 background: nose-high recovery is simultaneous full power + roll wings level + ease forward; nose-low recovery is close throttle (if fast) + roll wings level, then ease out of the dive. This is the same "wings level before you pitch" principle taught for the spiral dive in Lesson 18 — deliberately repeat it here.

CASA IFF.2: perform manoeuvres using full instrument panel — so the full panel is the standard for everything assessed today. That is not in tension with the covered-panel demonstration briefed in Waypoint 2: recognising a failed instrument and knowing what to fall back on is IFF 4(c) underpinning knowledge and IFF.1(c). Flying limited panel *to a standard* is a Night VFR rating competency, with its own tolerances — do not present the demonstration as though the student is being assessed on it.

Click Direct-To to arrive at the recap.

Question-list recall element — the filled summary table on the next slide is the answer key. If you're short of time, or the student is answering these confidently, skip the summary table and go straight to the video and the unusual-attitude panel that follow — that is the part of this lesson that saves lives, and it's worth the remaining minutes.

CASA's "'178 seconds to live' — updated". The number comes from an often-quoted 1954 University of Illinois study in which non-instrument-rated pilots put into simulated cloud lost control in an average of 178 seconds. Treat it as the scale of the problem, not a precise figure — the point is that it's minutes, not tens of minutes. Let it run. Don't fill the silence afterwards — go straight into the panel on the next slide, which is the answer to "so what do I actually do?".

The drill, run it several times: 1. Ask the student to look away, then press **Set unusual attitude** — the panel covers itself for the countdown and uncovers on a developed attitude. 2. Student says out loud, in this order: nose high or low, wings which way, speed doing what. 3. Then the recovery, in order, before touching anything — power, wings level, pitch. 4. **Reveal** shows what it actually was, with height lost and peak speed. 5. **Show recovery** plays the correct recovery back for comparison. **Hold** freezes the panel if you want to talk through the scan — use it as a teaching pause, not to make the exercise easier; the time pressure is doing real work. Let one run go all the way to the ground at least once. Watching 3,000 ft disappear in under a minute makes the point about hesitation better than any warning does. Add `severity="severe"` for a keen student, or pin `scenario="nose-high"` / `"nose-low"` to drill one case. Whatever wording the student settles on for their recovery call, use it as the callout during the hood exercise in the air today.